Crypto and the wash sale rule: the myth here is actually mostly true, for now

Primary sources: IRC §1091 (wash sale rule, property definition); IRS Notice 2014-21 (virtual currency as property)

The honest short answer

Unusually for this list, the popular claim — that you can sell a losing crypto position and immediately buy it back, harvesting the tax loss with no wash-sale disallowance — has actually been accurate under current law. The wash sale rule in §1091 applies specifically to "stock or securities," and the IRS classified virtual currency as property, not a security, in its original 2014 guidance. That technical distinction is exactly why crypto tax-loss harvesting has worked differently from stock tax-loss harvesting. The catch: this is a well-known gap that Congress has repeatedly proposed closing in various tax bills, and treatment could change going forward without much warning. Treat "there's no wash sale rule for crypto" as accurate for past and current-law transactions, not as a permanent feature you should assume continues indefinitely.

What's legitimately true

The wash sale rule's statutory text is limited to stock and securities, and digital assets have been treated as property rather than securities under current guidance.
Selling a losing digital asset position and immediately repurchasing it has, under this reading, not triggered wash-sale disallowance the way an identical stock trade would.
This creates a genuine, currently valid tax-loss harvesting opportunity distinct from equity harvesting, where you'd normally need to wait 31 days or buy a substantially different asset.

Where the myth gets oversold

"This will always be true" is not a safe assumption. Multiple legislative proposals have specifically targeted extending wash-sale treatment to digital assets; this gap is well known to lawmakers and could close with limited advance notice.
Other rules still apply. The transaction still has to be a genuine sale at fair market value on an exchange or ledger that reflects reality — wash-trading with yourself in a way that doesn't reflect a genuine arm's-length transaction raises separate substance concerns.
Recordkeeping is still demanding. Cost basis tracking across multiple wallets, exchanges, and repeated buy-sell cycles gets complicated fast, and sloppy records undermine the loss claim regardless of the wash-sale question.
State conformity varies, and not every state automatically follows federal property classification the same way for every purpose.

The math the pitch never runs

Harvesting a loss only helps if you actually track and report it correctly — run your total realized losses against a real, exchange-by-exchange, wallet-by-wallet cost basis reconciliation, not an estimate. And build any harvesting strategy with the assumption that the current gap could close in a future tax year, rather than assuming it as a permanent planning feature.

Questions to ask before harvesting crypto losses

Do I have accurate, complete cost basis records across every wallet and exchange involved?
Am I executing genuine, arm's-length transactions that reflect real market prices?
Am I tracking pending legislation that could change this treatment for future tax years?
Does my state conform to federal property classification for this purpose?

Our position: under current law, this is a real and usable tax-loss harvesting opportunity specific to digital assets — not a myth to bust, but a gap worth using carefully and correctly while it lasts, with realistic expectations that the rule could change.

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This review discusses a category of tax planning generally, is based on current law which may change, and is not legal or tax advice for any particular situation.